Genus NETTIUM

This genus, containing the Common Teal and some allied species, differs from Anas in having a smaller number of tail-feathers, 14 or 16 as a rule, in the narrower bill, and in the smaller size of the birds. The differences from Chaulelasmus and Mareca are also slight.

Key to the Species.

a. Sexes different in plumage.
a1. Secondaries bronze-green near coverts, black towards ends………………….. A. formosum, p. 442.
b1. Outer secondaries black, inner green………………….. A. crecca, p. 443.
b. Sexes alike.
c1. Outer web of 1st secondary white, of 7th - 9th bronze, of others black………………….. A. albigulare, p. 444.

BookTitle: 
The Fauna Of British India, Including Ceylon And Burma-birds
Reference: 
Blanford, William Thomas, ed. The Fauna of British India: Including Ceylon and Burma. Vol. 4. 1898.
Title in Book: 
Genus NETTIUM
Book Author: 
William Thomas Blanford
Year: 
1898
Page No: 
441
M_ID: 
407
M_SN: 
Anas
Volume: 
Vol. 4
Term name: 
id: 
2332

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